A209743 Number of nX7 0..5 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..5 introduced in row major order

876, 3412100, 26715084257, 220845828478730, 1834383283218723590, 15242797658314710633378, 126664397726626418134051983, 1052557322792113887592378377140, 8746556030412972768884396379035027

Offset

1,1

Comments

Column 7 of A209744

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

Some solutions for n=5
..0..0..0..1..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..1..2..3..3..3..4..5....1..2..3..2..1..2..1....1..2..3..1..2..3..4
..1..0..0..2..0..3..3....3..1..1..1..3..1..3....5..5..2..2..4..2..4
..4..1..2..4..2..0..1....2..2..0..2..1..2..3....0..4..4..5..5..2..3
..1..5..2..1..1..0..4....0..1..0..3..2..4..4....0..5..0..0..1..5..3

Crossrefs

Sequence in context: A297725 A185989 A190930 * A346900 A346884 A211566

Adjacent sequences: A209740 A209741 A209742 * A209744 A209745 A209746

Keyword

nonn

Author

R. H. Hardin Mar 12 2012

Status

approved